package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Category;
import com.sky.entity.Dish;
import com.sky.mapper.DishMapper;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

// 菜品管理
@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishController {

    @Autowired
    public DishService dishService;
    @Autowired
    private DishMapper dishMapper;
    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 新增菜品
     * @param dishDTO
     * @return
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        dishService.saveWithFlavor(dishDTO);
        // 清理缓存数据
        String key="dish_"+dishDTO.getCategoryId();
        cleanCache(key);
        return Result.success();
    }

    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        PageResult pageResult=dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    @DeleteMapping
    @ApiOperation("批量删除菜品")
                        // 控制器方法参数为集合或数组类型,Spring会将请求参数默认按逗号分隔存入
    public Result delete(@RequestParam List<Long> ids){
        dishService.deleteBatch(ids);
        // 批量删除后,清除所有以dish_开头的key
        cleanCache("dish_*");
        return Result.success();
    }

    @GetMapping("/{id}")
    @ApiOperation("根据ID查询菜品")
    public Result<DishVO> getById(@PathVariable Long id){
        DishVO dishVo=dishService.getByIdWithFlavor(id);
        return Result.success(dishVo);
    }

    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        dishService.updateWithFlavor(dishDTO);
        // 修改菜品后,清除所有以dish_开头的key
        cleanCache("dish_*");

        return Result.success();
    }

    @PostMapping("status/{status}")
    @ApiOperation("修改菜品状态")
    public Result startOrStop(@PathVariable Integer status,Long id){
        dishService.startOrStop(status,id);
        // 修改菜品后,清除所有以dish_开头的key
        cleanCache("dish_*");
        return Result.success();
    }

    @GetMapping("list")
    @ApiOperation("根据分类ID查询菜品")
    public Result<List<Dish>> list(Long categoryId){
        List<Dish> list=dishService.list(categoryId);
        return Result.success(list);
    }

    private void cleanCache(String pattern){
        Set keys=redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
